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    Thursday, April 22, 2021

    Could you make PoW calculate something useful, like Folding@home or SETI@home? Computer Science

    Could you make PoW calculate something useful, like Folding@home or SETI@home? Computer Science


    Could you make PoW calculate something useful, like Folding@home or SETI@home?

    Posted: 22 Apr 2021 02:16 AM PDT

    Hi,

    I have participated in projects where I let my CPU processing power to be used to do heavy calculations normally done on supercomputers. I let my CPU idle time to be used to search for extraterrestrial life (SETI@home) and also calculate folding of proteins (Folding@home), constructing an ever growing database of modelled biological molecules based on quantum mechanical principles. These are then freely used by researchers of the field that would otherwise need to use expensive supercomputer time to model their proteins of interest.

    In materials science, there is the need for computing power since more and more simulation possibilities emerge to serve in actual real research and development. Already complex molecular simulations can be done with DFT that replicates the real world very accurately. The only thing that slows down adoption of DFT is computing power. With the CPU power used for Bitcoin mining, you could soon have a quite comprehensive digitized real world database of materials and biology, and study surface science in a breeze. The use of DFT simulations to solve real world problems is increasing constantly, but a blockchain meant for this would be a game-changer.

    Could such calculations be embedded to PoW so that, you know, mining those mooncoins would also inherently do something useful? If this could be embedded, then also that coin would make the early adopters rich since it would stand out of the sea of pump n dump shitcoins and other altcoins that really dont have much other than speculative value. This coin would not need to have any other function than speculative value and the useful data generated by mining it. Currently universities pays millions of $ for supercomputer computing power, and researchers constantly demand more.

    Where are our crypto-geniuses? Go and have a talk with with a scientist who knows about DFT simulation and the projects that create databases with it.

    submitted by /u/Pallbearer666
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    HPC project models cancer protein pathways with multiscale machine learning approach

    Posted: 21 Apr 2021 10:21 AM PDT

    Question from a high school student

    Posted: 21 Apr 2021 10:31 PM PDT

    Yo, I'm a junior in highschool and recently have been thinking about my future and all of that. I know I want to major in cs, and I don't have any questions about the cs classes in college.

    What I'm worried about are the math classes. I know calculus is required for any cs degree and well, I am worried. With covid19 and classes being online I feel I haven't learned anything from my alg 2 class this year. I want to take precalc next year but I feel I'm already behind... Am I screwed? Help!

    submitted by /u/whasso
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    How common are correctness proofs on algorithms in cs undergrads in your country?

    Posted: 21 Apr 2021 04:50 PM PDT

    Most universities in germany do not go very deep into the matter of proving the correctness of algorithms, it is an edge topic so to speak... in my programm it makes (depending of the way you look at it) between ~7-11% of the complete programm (12-20 credits of 180)... i've liked the MIT open courses on that topic because they explained it very nicely imo... but ever since it got to my attention that it isn't too common in germany to teach it extensivly i asked myself how common and to which extend it is taught elsewhere... how is the practise in your country?

    submitted by /u/RexLupie
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    Does anyone have time to help me on some questions about Relational Algebra, Basic SQL?

    Posted: 21 Apr 2021 10:06 PM PDT

    I am currently preparing for an exam and you would probably safe me from certain failure

    submitted by /u/nihaja
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    I got an F in computer science for the dumbest reason

    Posted: 22 Apr 2021 01:08 AM PDT

    In my school they want us to know how to calculate binary, decimal and some other number systems by hand on paper. I dont have any idea how to do that and thats so fucking useless. computer does billions of calculations per second while we have to add up two binary numbers and it takes a few minutes. Now i have A A F in computer science. school fucking sucks

    submitted by /u/Good-Discussion-2043
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    Resources for Semantic Web / Semantic Technology

    Posted: 21 Apr 2021 10:36 AM PDT

    Does anyone have any good resources on learning Semantic Web Technology? I've got a class about it next term and was hoping to get ahead a bit. I've contacted my lecturer for some already but hasn't responded yet.

    Any help is appreciated :)

    submitted by /u/Iteryn
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    Nodejs websocket error help?

    Posted: 21 Apr 2021 06:46 AM PDT

    WebSocket connection to 'ws://localhost:3000/sockjs-node' failed:

    I am creating a video call app using ReactJS,NodeJS,redis and socket.io and I think I got this error on client side. I really don't know much about this, If anybody has some time so please help me It really lot to me?

    Project link on github

    I have some question related to this error -

    • What is the meaning of this error?
    • How do I solve this error?
    submitted by /u/404_zeon
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